Rheology of columnar-grained ice

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Journal titleExperimental Mechanics
Pages464470; # of pages: 7
Subjectice; viscoelasticity; rheological properties; creep; uniaxial compression
AbstractCreep of the columnar-grained ice, under uniaxial compressive force normal to the columns, is shown to be composed of an instantaneous elastic response followed by a delayed elastic and viscous deformation. Both the delayed elastic and viscous strains are shown to have equal activation energies. Thus, this ice can be considered as a thermo-rheologically simple material with a nonlinear stress dependence. A simple phenomenological relationship has been developed that can be used for further analysis of the creep compliance function presented in a normalized form.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number17308
NPARC number20359236
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Record identifier83f152f3-9f54-423b-95a1-8d1f7664ab4b
Record created2012-07-20
Record modified2016-05-09
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